Unauthenticated exception thrown instead of a login page

<?php

namespace App\Http\Middleware;

use Filament\Http\Middleware\Authenticate as Middleware;

class Authenticate extends Middleware
{
    /**
     * Handle an unauthenticated user.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  array  $guards
     * @return void
     *
     * @throws \Illuminate\Auth\AuthenticationException
     */
    protected function unauthenticated($request, array $guards)
    {
        if ($request->expectsJson()) {
            // Don't offer API requests a login page.
            exit(response()->json(['message' => 'Unauthenticated.'], 401));
        }

        $url = $this->redirectTo($request);
        exit("<script>window.location.href = '{$url}';</script>");
    }
}

<?php

namespace App\Providers\Filament;

use App\Http\Middleware\Authenticate;
// other classes

class AppPanelProvider extends PanelProvider
{ // normal stuff }